this post was submitted on 14 Feb 2024
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A study of satellite images found that an estimated 11,000 square miles of Greenland’s ice sheet and glaciers have melted over the past 30 years, giving way

Global warming is turning Greenland green.

Parts of Greenland’s ice sheet and glaciers that melted over the past three decades have been replaced by wetlands, shrub vegetation and areas of barren rock, according to a new study that used satellite images to track changes since the 1980s.

The findings, published Tuesday in the journal Scientific Reports, raise concerns about how Greenland’s retreating ice could threaten the stability of the landscape, exacerbate rising sea levels and contribute further greenhouse gas emissions in areas that have turned into methane-producing wetlands.

Greenland is often considered “ground zero” for the climate crisis because even small shifts in temperature can have outsize impacts across the entire Arctic region — and around the world. Scientists have estimated that if the Greenland ice sheet were to melt completely, it could raise global sea levels by more than 23 feet.

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[–] [email protected] 1 points 7 months ago

This is the best summary I could come up with:


Parts of Greenland’s ice sheet and glaciers that melted over the past three decades have been replaced by wetlands, shrub vegetation and areas of barren rock, according to a new study that used satellite images to track changes since the 1980s.

The findings, published Tuesday in the journal Scientific Reports, raise concerns about how Greenland’s retreating ice could threaten the stability of the landscape, exacerbate rising sea levels and contribute further greenhouse gas emissions in areas that have turned into methane-producing wetlands.

The observed changes are not just bad news for Greenland's ice sheets and glaciers, said Jonathan Carrivick, an Earth scientist at the University of Leeds in the United Kingdom and one of the authors of the study.

When ice retreats, the exposed bedrock and new areas of vegetation absorb more of the sun's energy, increasing the temperature of the land surface and exacerbating global warming.

Michael Grimes, a Ph.D. candidate at the University of Leeds and lead author of the study, said Greenland's retreating ice and expanding vegetation have important cultural consequences as well, particularly for indigenous populations that rely on these ecosystems for traditional hunting practices.

“Moreover, the loss of ice mass in Greenland is a substantial contributor to global sea level rise,” he said, “a trend that poses significant challenges both now and in the future.”


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